BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 114 52.3%
2 United States 28 12.8%
3 Netherlands 19 8.7%
4 France 17 7.8%
5 Germany 12 5.5%
6 Russia 12 5.5%
7 Taiwan 4 1.8%
8 Canada 4 1.8%
9 Czech Republic 2 0.9%
10 Poland 2 0.9%
11 United Kingdom 2 0.9%
12 Hong Kong 1 0.5%
13 Brazil 1 0.5%